== sanity test 160w: lfs changelog --user --mask ========= 14:47:22 (1786819642)
mdd.lustre-MDT0000.changelog_mask=+hsm
mdd.lustre-MDT0001.changelog_mask=+hsm
Registered 2 changelog users: 'cl25-u1_160w cl29-u1_160w'
mdd.lustre-MDT0000.changelog_mask=+hsm
mdd.lustre-MDT0001.changelog_mask=+hsm
Registered 2 changelog users: 'cl25-u1_160w cl26-u2_160w cl29-u1_160w cl30-u2_160w'
current_index: 500097687
ID                            index (idle) mask
cl29-u1_160w              500097687 (10) mask=MARK,CREAT,UNLNK
cl30-u2_160w              500097687 (4) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097688 01CREAT 18:47:36.492777301 2026.08.15 0x0 t=[0x200002342:0x7f3f:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] f1
500097690 01CREAT 18:47:36.607080766 2026.08.15 0x0 t=[0x200002342:0x7f40:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] f2
500097694 06UNLNK 18:47:36.784181865 2026.08.15 0x1 t=[0x200002342:0x7f3f:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] f1
lfs changelog --user --mask (with registered mask)
500097692 02MKDIR 18:47:36.705776524 2026.08.15 0x0 t=[0x200002342:0x7f41:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] d1
500097693 02MKDIR 18:47:36.731741325 2026.08.15 0x0 t=[0x200002342:0x7f42:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] d2
500097695 07RMDIR 18:47:36.811481451 2026.08.15 0x1 t=[0x200002342:0x7f41:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097688 01CREAT 18:47:36.492777301 2026.08.15 0x0 t=[0x200002342:0x7f3f:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] f1
500097690 01CREAT 18:47:36.607080766 2026.08.15 0x0 t=[0x200002342:0x7f40:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.36@tcp p=[0x200002342:0x7f3e:0x0] f2
lustre-MDT0000: clear the changelog for cl29-u1_160w of all records
lustre-MDT0000: Deregistered changelog user #29
lustre-MDT0000: clear the changelog for cl30-u2_160w of all records
lustre-MDT0000: Deregistered changelog user #30
lustre-MDT0001: clear the changelog for cl25-u1_160w of all records
lustre-MDT0001: Deregistered changelog user #25
lustre-MDT0001: clear the changelog for cl26-u2_160w of all records
lustre-MDT0001: Deregistered changelog user #26
lustre-MDT0001: changelog user 'cl26-u2_160w' not found
lustre-MDT0000: changelog user 'cl30-u2_160w' not found
lustre-MDT0001: changelog user 'cl25-u1_160w' not found
lustre-MDT0000: changelog user 'cl29-u1_160w' not found